Common Algebra II Mistakes - Concept

Concept Concept (1)

Some of the most common algebra mistakes come from misunderstanding the order of operations or what is commonly known as PEMDAS. We must keep in mind that the multiplication and division are done at the same time in the order of operations, as are addition and subtraction. The most important way to help not make these common algebra mistakes is by practicing and being aware of pitfalls.

Sample Sample Problems (5)

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Common Algebra II Mistakes - Problem 1

Evaluate:

4x + 8
4
9 + 12
3
Problem 1
How to avoid making a mistake when simplifying rational expressions.
Common Algebra II Mistakes - Problem 2

Evaluate:

(x + y)²
(3 + 4)²
Problem 2
How to avoid making a mistake when squaring a binomial.
Common Algebra II Mistakes - Problem 3

Evaluate:

x + y
9 + 16
Problem 3
How to avoid making a mistake when taking the square root of a sum/difference.
Common Algebra II Mistakes - Problem 4

Evaluate:

(xn)(xn + 3) =
(xm)m + 1 =
Problem 4
How to avoid making a mistake when dealing with exponents.